public void ShouldBuildSequenceSegment()
{
SituationGraphSegmentFactory <char> factory;
ISituationGraph <char> graph;
LexicalRule rule;
MockedSituationEdge capEdge;
ISituationGraphSegment <char> segment;
capEdge = new MockedSituationEdge();
graph = new SituationGraph <char>();
factory = new SituationGraphSegmentFactory <char>();
rule = new LexicalRule();
rule.Predicate = new Sequence(new Terminal('a'), new Terminal('b'), new Terminal('c'));
segment = factory.BuildSegment(graph, rule, rule.Predicate, capEdge.AsEnumerable());
Assert.AreEqual(3, graph.Nodes.Count());
Assert.AreEqual(1, segment.InputEdges.Count());
Assert.AreEqual(1, segment.OutputNodes.Count());
Assert.AreEqual(1, segment.OutputNodes.ElementAt(0).Edges.Count());
Assert.IsTrue(segment.InputEdges.ElementAt(0).Predicate.GetInputs().First().Match('a'));
Assert.AreEqual(1, graph.Nodes.ElementAt(0).Edges.Count());
Assert.AreEqual(1, graph.Nodes.ElementAt(1).Edges.Count());
Assert.AreEqual(1, graph.Nodes.ElementAt(2).Edges.Count());
Assert.AreEqual(capEdge, segment.OutputNodes.ElementAt(0).Edges.ElementAt(0));
}
public void ShouldNotBuildOneOrMoreSegment()
{
SituationGraphSegmentFactory <char> factory;
ISituationGraph <char> graph;
LexicalRule rule;
MockedSituationEdge capEdge;
OneOrMore predicate;
capEdge = new MockedSituationEdge();
graph = new SituationGraph <char>();
factory = new SituationGraphSegmentFactory <char>();
predicate = new OneOrMore();
rule = new LexicalRule()
{
Name = "A", Predicate = predicate
};
Assert.ThrowsException <ArgumentNullException>(() => factory.BuildSegment(null, rule, predicate, capEdge.AsEnumerable()));
Assert.ThrowsException <ArgumentNullException>(() => factory.BuildSegment(graph, null, predicate, capEdge.AsEnumerable()));
Assert.ThrowsException <ArgumentNullException>(() => factory.BuildSegment(graph, rule, null as OneOrMore, capEdge.AsEnumerable()));
Assert.ThrowsException <ArgumentNullException>(() => factory.BuildSegment(graph, rule, predicate, null));
}